code: def test_report_copy(self):
      original_report = self._build_report()
      report_copy = original_report.copy()
  
      report_copy["scores"].zero_()
  
      self.assertFalse(
          test_utils.compare_tensors(
              report_copy["scores"], original_report["scores"]
          )
      )
  
file_path: mmf/tests/common/test_report.py
imports: import unittest
  import tests.test_utils
  import torch
  from mmf.common.report import Report
  from mmf.common.sample import SampleList
label_desc: Use image node_id 2 for calling the TestReport obj's underlying member method code with example usage: obj.test_report_copy() without return types